Messages in this thread | | | Date | Tue, 11 Sep 2018 10:53:55 +0200 | From | Maxime Ripard <> | Subject | Re: [PATCH v9 0/9] Cedrus driver for the Allwinner Video Engine, using media requests |
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On Fri, Sep 07, 2018 at 12:24:33AM +0200, Paul Kocialkowski wrote: > This is the ninth iteration of the updated Cedrus driver, > that supports the Video Engine found on most Allwinner SoCs, starting > with the A10. It was tested on the A13, A20, A33 and H3. > > The initial version of this driver[0] was originally written and > submitted by Florent Revest using a previous version of the request API > that is necessary to provide coherency between controls and the buffers > they apply to. > > The driver was adapted to use the latest version of the media request > API[1], as submitted by Hans Verkuil. Media request API support is a > hard requirement for the Cedrus driver. > > The driver itself currently only supports MPEG2 and more codecs will be > added eventually. The default output frame format provided by the Video > Engine is a multi-planar tiled YUV format (based on NV12). A specific > format is introduced in the V4L2 API to describe it. Starting with the > A33, the Video Engine can also output untiled YUV formats.
Applied the DTS patches, thanks! Maxime
-- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com [unhandled content-type:application/pgp-signature] | |